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High-precision grinding machine coupled twin tensioning self-centering mechanism fixture and grinding machine thereof

A high-precision, self-centering technology, used in grinding machines, manufacturing tools, grinding workpiece supports, etc., can solve the problems of prolonging the labor time and labor intensity of processing workers, damage to equipment and workpieces, and poor positioning accuracy. Cost and labor intensity of workers, ensuring stability and accuracy, and improving processing efficiency

Active Publication Date: 2018-05-18
东风汽车动力零部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although there are a variety of high-precision processing fixtures for grinding machines in the prior art, these fixtures are generally designed with elastic expansion sleeves, which have poor positioning accuracy, low efficiency, and short service life. Many unobjective factors are likely to cause damage to equipment and workpieces. damage, greatly prolonging the working hours and labor intensity of processing workers

Method used

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  • High-precision grinding machine coupled twin tensioning self-centering mechanism fixture and grinding machine thereof
  • High-precision grinding machine coupled twin tensioning self-centering mechanism fixture and grinding machine thereof
  • High-precision grinding machine coupled twin tensioning self-centering mechanism fixture and grinding machine thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Adjust the lock nut 1, the double-headed screw 20, the first pull rod 18, the first wedge-shaped expansion block group 13, and the tension sleeve 12, and move back and forth along the axis of the clamp body 25 under the action of the first disc spring 7;

Embodiment 2

[0041] The first wedge-shaped expansion block group 13 is precisely matched with the clamp body 25, and moves radially along the axis of the clamp body 25 under the action of the first pull rod 18;

Embodiment 3

[0043] The second pull rod 8, the second wedge-shaped expansion block group 19, the tensioner sleeve 12 are supported and matched with the body 25, and are reciprocated along the axis of the clamp body 25 under the action of the second disc spring 9;

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Abstract

The invention discloses a high-precision grinding machine coupled twin tensioning self-centering mechanism fixture and a grinding machine thereof. The high-precision grinding machine coupled twin tensioning self-centering mechanism fixture comprises a fixture body provided with a step hole, a first auxiliary wedge-caulking mechanism and a second auxiliary wedge-caulking mechanism are arranged in the step hole, the second auxiliary wedge-caulking mechanism is slidably arranged on the outer side of the first auxiliary wedge-caulking mechanism in a sleeving mode, and the second auxiliary wedge-caulking mechanism is slidably mounted in the step hole in a matched mode. A first wedge-shaped tensioning block set, a second wedge-shaped tensioning block set and a workpiece tensioning sleeve are arranged on the fixture body, the first wedge-shaped tensioning block set is in wedge fit with the first auxiliary wedge-caulking mechanism, the second wedge-shaped tensioning block set is in wedge fit with the second auxiliary wedge-caulking mechanism, and the peripheral surfaces of the first wedge-shaped tensioning block set and the second wedge-shaped tensioning block set are matched with the inner wall of the workpiece tensioning sleeve. The high-procession grinding machine coupled twin tensioning self-centering mechanism fixture effectively achieves high-precision positioning and high efficiency production of the grinding machine, the risks of damage to equipment and workpieces caused by traditional power off, gas off and hydraulic off are effectively controlled, and self protection effects on the workpieces and the equipment are achieved through a fixture gas inspection device.

Description

technical field [0001] The invention relates to a high-precision grinding machine double-linkage tensioning self-centering mechanism fixture, which belongs to the technical field of high-precision grinding processing for grinding machines, and in particular relates to the application of a high-precision double-linkage tensioning self-centering clamping mechanism. Background technique [0002] In the automobile braking system, the matching and positioning design accuracy of the hub, the bearing and the brake disc are relatively high, and the matching surface area of ​​the hub and the bearing has high requirements for shape and position accuracy, which is a major problem in hub processing. The diamond roller is used to grind the forming grinding wheel to ensure the shape and position accuracy of the workpiece processing surface, which requires the workpiece to be accurately positioned in the grinding machine, and the stability of the workpiece during the grinding process and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B41/06B24B27/00
Inventor 汪铁云余涛叶辛
Owner 东风汽车动力零部件有限公司
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